BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 72 44.7%
2 China 56 34.8%
3 Germany 14 8.7%
4 Hong Kong 7 4.3%
5 Taiwan 4 2.5%
6 United Kingdom 1 0.6%
7 Malaysia 1 0.6%
8 Netherlands 1 0.6%
9 Portugal 1 0.6%
10 Sweden 1 0.6%
11 Czech Republic 1 0.6%
12 1 0.6%
13 Australia 1 0.6%